def test_project(self):
box = BoundingBox()
box.vertices = [vec3(2), vec3(-1)]
normal = vec3(1)
min_box, max_box = CollisionSystem.project(box, normal)
self.assertEqual(-1, min_box)
self.assertEqual(2, max_box)
def test_rotate_around_x_and_y(self):
m = identity()
v1 = vec3(90, 90)
rotate(m, v1)
self.assertEqual(mat4([
[0, 0, 1, 0],
[1, 0, 0, 0],
[0, 1, 0, 0],
[0, 0, 0, 1]
]), m)
v2 = m * vec3(0, 1, 0)
self.assertEqual(vec3(0, 0, 1), v2)
def test_rotate_and_translate(self):
m = identity()
rot = vec3(90)
trans = vec3(1, 2, 3)
rotate(m, rot)
translate(m, trans)
self.assertEqual(mat4([
[1.0, 0.0, 0.0, 1.0],
[0.0, 0.0, -1.0, 2.0],
[0.0, 1.0, 0.0, 3.0],
[0.0, 0.0, 0.0, 1.0]
]), m)
v = m * vec3(0, 1, 0)
self.assertEqual(vec3(1, 2, 4), v)
def test_mul_vec3(self):
m = mat4([
[1, 0, 0, 1],
[0, 1, 0, 2],
[0, 0, 1, 3],
[0, 0, 0, 1]
])
v = vec3(2, 3, 4)
self.assertEqual(vec3(3, 5, 7), m * v)
self.assertEqual(mat4([
[1, 0, 0, 1],
[0, 1, 0, 2],
[0, 0, 1, 3],
[0, 0, 0, 1]
]), m)
self.assertEqual(vec3(2, 3, 4), v)
def test_translate(self):
m = identity()
v = vec3(1, 2, 3)
translate(m, v)
self.assertEqual(mat4([
[1, 0, 0, 1],
[0, 1, 0, 2],
[0, 0, 1, 3],
[0, 0, 0, 1]
]), m)
def test_not_collides_simple_position(self):
box = BoundingBox()
box.vertices = self.vertices
box.normals = self.normals
other = BoundingBox()
other.vertices = self.vertices
other.normals = self.normals
matrix = identity()
translate(matrix, vec3(3))
collides = CollisionSystem.collides(box, matrix, other, identity())
self.assertFalse(collides)
def test_cross_product(self):
v1 = vec3()
v2 = vec3()
self.assertEqual(vec3(), cross(v1, v2))
v1 = vec3(1, 0, 0)
v2 = vec3(0, 1, 0)
self.assertEqual(vec3(0, 0, 1), cross(v1, v2))
def test_add(self):
v1 = vec3(1, 2, 3)
v2 = vec3(4, 5, 6)
self.assertEqual(v1 + v2, vec3(5, 7, 9))
def test_spread(self):
v = vec3(1, 2, 3)
self.assertEqual([1, 2, 3], [*v])
def test_to_vec2(self):
v = vec3(1, 2, 3)
self.assertEqual(v.to_vec2({'x': 'y', 'y': 'x'}), vec2(2, 1))
self.assertEqual(v.to_vec2(['z', 'x']), vec2(3, 1))
self.assertEqual(v.to_vec2(('x', 'z')), vec2(1, 3))
def test_collides_example2(self):
box = BoundingBox()
box.vertices = [vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0), vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001), vec3(-1.0, 1.0, 1.0),
vec3(-1.0, 1.0, -1.0)]
box.normals = [vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0), vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0), vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)]
box_model_matrix = mat4()
box_model_matrix.numbers = [[1.0, 0.0, 0.0, 2.500000000000009], [0.0, 1.0, 0.0, 0.0],
[0.0, 0.0, 1.0, 1.5308084989341933e-16],
[0.0, 0.0, 0.0, 1.0]]
other = BoundingBox()
other.vertices = [
vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0), vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001), vec3(-1.0, 1.0, 1.0), vec3(-1.0, 1.0, -1.0)]
other.normals = [vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0), vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0), vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)]
other_model_matrix = mat4()
other_model_matrix.numbers = [[1.0, 0.0, 0.0, 0.0], [0.0, 1.0, 0.0, 0.0], [0.0, 0.0, 1.0, 0.0],
[0.0, 0.0, 0.0, 1.0]]
collides = CollisionSystem.collides(box, box_model_matrix, other, other_model_matrix)
self.assertFalse(collides)
class CollisionTest(unittest.TestCase):
def test_project(self):
box = BoundingBox()
box.vertices = [vec3(2), vec3(-1)]
normal = vec3(1)
min_box, max_box = CollisionSystem.project(box, normal)
self.assertEqual(-1, min_box)
self.assertEqual(2, max_box)
normals = [vec3(1), vec3(-1), vec3(0, 1), vec3(0, -1), vec3(0, 0, 1), vec3(0, 0, -1)]
vertices = [
vec3(1, 1, 1), vec3(-1, 1, 1),
vec3(1, -1, 1), vec3(1, 1, -1),
vec3(1, -1, -1), vec3(-1, 1, -1),
vec3(-1, -1, 1), vec3(-1, -1, -1)
]
def test_collides_simple(self):
box = BoundingBox()
box.vertices = self.vertices
box.normals = self.normals
other = BoundingBox()
other.vertices = self.vertices
other.normals = self.normals
matrix = identity()
collides = CollisionSystem.collides(box, matrix, other, matrix)
self.assertTrue(collides)
def test_collides_simple_position(self):
box = BoundingBox()
box.vertices = self.vertices
box.normals = self.normals
other = BoundingBox()
other.vertices = self.vertices
other.normals = self.normals
matrix = identity()
translate(matrix, vec3(1))
collides = CollisionSystem.collides(box, matrix, other, matrix)
self.assertTrue(collides)
@unittest.skip("Fix this")
def test_not_collides_simple_position(self):
box = BoundingBox()
box.vertices = self.vertices
box.normals = self.normals
other = BoundingBox()
other.vertices = self.vertices
other.normals = self.normals
matrix = identity()
translate(matrix, vec3(3))
collides = CollisionSystem.collides(box, matrix, other, identity())
self.assertFalse(collides)
@unittest.skip("Fix this")
def test_collides_example(self):
vertices = [
vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0),
vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001),
vec3(-1.0, 1.0, 1.0), vec3(-1.0, 1.0, -1.0)
]
normals = [
vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0),
vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0),
vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)
]
box = BoundingBox()
box.vertices = vertices
box.normals = normals
matrix = identity()
translate(matrix, vec3(0, 0, 25))
other = BoundingBox()
other.vertices = vertices
other.normals = normals
other_matrix = identity()
translate(other_matrix, vec3(5, 0, 25))
collides = CollisionSystem.collides(box, matrix, other, other_matrix)
self.assertFalse(collides)
@unittest.skip("Fix this")
def test_collides_example2(self):
box = BoundingBox()
box.vertices = [vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0), vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001), vec3(-1.0, 1.0, 1.0),
vec3(-1.0, 1.0, -1.0)]
box.normals = [vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0), vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0), vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)]
box_model_matrix = mat4()
box_model_matrix.numbers = [[1.0, 0.0, 0.0, 2.500000000000009], [0.0, 1.0, 0.0, 0.0],
[0.0, 0.0, 1.0, 1.5308084989341933e-16],
[0.0, 0.0, 0.0, 1.0]]
other = BoundingBox()
other.vertices = [
vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0), vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001), vec3(-1.0, 1.0, 1.0), vec3(-1.0, 1.0, -1.0)]
other.normals = [vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0), vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0), vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)]
other_model_matrix = mat4()
other_model_matrix.numbers = [[1.0, 0.0, 0.0, 0.0], [0.0, 1.0, 0.0, 0.0], [0.0, 0.0, 1.0, 0.0],
[0.0, 0.0, 0.0, 1.0]]
collides = CollisionSystem.collides(box, box_model_matrix, other, other_model_matrix)
self.assertFalse(collides)
def test_collides_example(self):
vertices = [
vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0),
vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001),
vec3(-1.0, 1.0, 1.0), vec3(-1.0, 1.0, -1.0)
]
normals = [
vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0),
vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0),
vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)
]
box = BoundingBox()
box.vertices = vertices
box.normals = normals
matrix = identity()
translate(matrix, vec3(0, 0, 25))
other = BoundingBox()
other.vertices = vertices
other.normals = normals
other_matrix = identity()
translate(other_matrix, vec3(5, 0, 25))
collides = CollisionSystem.collides(box, matrix, other, other_matrix)
self.assertFalse(collides)